Stuart,
I certainly agree with you, all except for the words "optimum" and
"proved". I have this vision that the Bell Labs folk who defined those
limits were male folk with more grey hair than I have! 300-3000 is
perfect for both their transmission and reception, but put a 7 year old
granddaughter on the line and you will quickly decide they might have
looked a bit wider!
OTOH for us old(ish) mostly male hams (who aren't allowed to play the
flute on the air, anyhow) it is perfect!
73, Joel, W1ZR
Stuart Rohre wrote:
Look at any good audio or radio handbook and you will see that for maximum
intelligibility on the radio, you DO NOT want response below 350 Hz. That
detracts from hearing the maximum clarity of signal and as someone said
simply wastes power.
Speech response for optimum communication extends from 300 to 3kHz. Western
Electric and Bell Labs proved this decades ago, and it is still the better
way to set up a radio for audio response for ham communications. Remember,
hams are to use the minimum power and bandwidth needed for a given mode, NOT
have "high fidelity".
Stuart
K5KVH
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